Global Patent Index - EP 0209905 A1

EP 0209905 A1 19870128 - 1,1-(3-Ethylphenyl)phenylethylene and method for its preparation.

Title (en)

1,1-(3-Ethylphenyl)phenylethylene and method for its preparation.

Title (de)

1,1-(3-Äthylphenyl)phenyläthylen und Verfahren zu seiner Herstellung.

Title (fr)

(Ethyl-3 phényl)-1 phényl-1 éthylène et procédé pour sa préparation.

Publication

EP 0209905 A1 19870128 (EN)

Application

EP 86110221 A 19860724

Priority

JP 16371285 A 19850724

Abstract (en)

The present invention is concerned with a novel intermediate 1,1-(3-ethylphenyl)phenylethylene represented by the formula (I) and its manufacturing method. According to the present invention, Ketoprofen can be synthesized at a low cost and in a high yield, when using the stated intermediate.

IPC 1-7

C07C 15/50

IPC 8 full level

C07C 1/24 (2006.01); C07C 1/00 (2006.01); C07C 15/50 (2006.01); C07C 27/00 (2006.01); C07C 29/40 (2006.01); C07C 33/24 (2006.01); C07C 45/00 (2006.01); C07C 45/36 (2006.01); C07C 45/63 (2006.01); C07C 45/64 (2006.01); C07C 49/784 (2006.01); C07C 49/813 (2006.01); C07C 49/83 (2006.01); C07C 51/00 (2006.01); C07C 51/12 (2006.01); C07C 59/84 (2006.01); C07C 67/00 (2006.01)

CPC (source: EP KR US)

C07C 1/24 (2013.01 - KR); C07C 15/50 (2013.01 - EP KR US); C07C 45/36 (2013.01 - EP US); C07C 45/63 (2013.01 - EP US); C07C 45/64 (2013.01 - EP US); C07C 59/84 (2013.01 - EP US)

Citation (search report)

  • CHEMICAL ABSTRACTS, vol. 49, no. 5, March 10, 1955, Columbus, Ohio, USA B.B. CORSON et al. "Dimerization of styrene in the presence and absence of solvent" abstract-no. 3 040c,d & J.Org.Chem. 19,17-26 (1954)
  • NEFTEKHIMIYA, vol. 14, 1974 N.X. NAMETKIN et al. "Synthesis of b-arylstyrenes" pages 726-729 * Tables 1,2 *
  • CHEMICAL ABSTRACTS, vol. 89, no. 5, July 31, 1978, Columbus, Ohio, USA S.C. FERRER et al. "2-(3-Benzoylphenyl)propionic acid" page 573, abstract-no. 42 817q& ES-A 452 500

Designated contracting state (EPC)

CH DE FR GB IT LI SE

DOCDB simple family (publication)

EP 0209905 A1 19870128; EP 0209905 B1 19890301; CA 1271495 A 19900710; DE 3662186 D1 19890406; JP H053859 B2 19930118; JP S6222732 A 19870130; KR 870001137 A 19870311; KR 950003328 B1 19950410; US 4761508 A 19880802

DOCDB simple family (application)

EP 86110221 A 19860724; CA 514477 A 19860723; DE 3662186 T 19860724; JP 16371285 A 19850724; KR 860006101 A 19860724; US 88801286 A 19860722